Diffie-hellman algorithm

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1. Alan and Bill agree (through a public exchange) on using the Diffie-Hellman algorithm to create a common secret key. They also agree on two public numbers: q (large prime number), a (generator mod q):

q = 7, a = 2

Alan generates a random C, use CA to calculate DA and then sends DA to Bill. Alan has also received a value DBfrom Bill.

Bill generates a random C, use CB to calculate DB and then sends DB to Alan. Bill has also received the value DAsent from Alan as mentioned above.

(a) What is DA? (i.e. D=?)

(b) What is DB? (i.e. D=?)

(c) What is the common secret key between Alan and Bill?

Reference no: EM131108391

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